A glass bead and a green laser helps scientists observe lightning form in real time
A single green laser, a glass bead smaller than a bacterium and a lab in Austria are helping…
Kinetically-controlled intermediate-direct-pinning for homogeneous energy landscapes in quasi-two-dimensional perovskites for efficient and narrow blue emission
Anchoring-assisted intermediate direct pinning process The broad phase distribution of quasi-2D perovskites is mainly attributed to the rapid…
Photoswitchable exceptional points derived from bound states in the continuum
The temporal coupled mode theory (TCMT) is a valuable tool for describing the underlying physics of such open…
Fano interference of photon pairs from a metasurface
Materials with zinc-blende crystalline structure, such as GaAs, AlGaAs, GaP, InGaP, etc, are particularly attractive for non-linear wave…
Physicists Shatter Quantum Computing Record
In a Caltech lab, a computer screen showed thousands of tiny points of light—each one a single atom,…
Scientists Discover “Virtual Charges” That Exist Only When Light Hits
High-precision optical components used to manipulate attosecond light pulses. Credit: Politecnico di Milano A study led by Politecnico…
All-optical polarization encoding and modulation by nonlinear interferometry at the nanoscale
Neshev, D. N. & Miroshnichenko, A. E. Enabling smart vision with metasurfaces. Nat. Photonics 17, 26–35 (2023). Article …
A single-photon source based on topological bulk cavity
Design of single-photon source based on topological bulk state Figure 1 provides a detailed illustration of the design…
Achromatic beam deflector with electrodynamic phased arrays
Chromatic aberration in the beam deflector and its compensation Beam steering with LC leverages its anisotropic characteristics to…
Spin-orbit coupling in van der Waals materials for optical vortex generation
Figure 1a schematically illustrates the creation of optical vortices via spin-orbit coupling in the hBN crystal. As shown…
Peacock Feathers Can Turn Into Biological Lasers and Scientists Are Amazed
Credit: Pixabay. On a microscopic scale, the extravagant eyespots of a peacock’s tail are built like optical machines…
US scientists shrink giant lasers with 1,000x faster electron beams
Scientists have demonstrated a new method for generating and sustaining the high-quality electron beams required for X-ray lasers,…